OAKLAND, Calif. (AP) -- Hisashi Iwakuma won for the fifth time in six starts and the Seattle Mariners earned their fifth straight victory, completing a three-game sweep with a 3-2 win over the Oakland Athletics on Sunday.
Kyle Seager and Ketel Marte each drove in a run, and Brad Miller collected two hits for the Mariners.
Shawn O'Malley singled and walked Sunday and had six hits in his first seven major league at-bats as the Mariners swept a series in Oakland for the first time in six years.
Billy Butler hit a home run for the Athletics, who lost their fifth straight. The long ball gives the A's a 12-game streak with at least one homer, currently the longest active streak as Seattle had its 13-game run snapped.
Iwakuma (7-3) allowed one run on five hits in his 6 1-3 innings. He walked one and struck out three.
Sean Nolin (0-1) became the 28th pitcher used by the A's, a franchise record. He made his first ML appearance in nearly a year and his first start in two years.
Nolin gave up three runs on five hits over six innings. He walked three and struck out one.
Marte singled in a run, Seager hit a sacrifice fly and O'Malley scored on a wild pitch to put the Mariners ahead in the fifth. A's right fielder Jake Smolinski threw out Logan Morrison at third earlier in the inning.
Butler's one-out homer in the seventh ended Iwakuma's day and Danny Valencia's groundout in the eighth made it 3-2.
Tom Wilhelmsen got the final five outs for his 10th save in as many chances.
Mariners: Third base coach Rich Donnelly left the game with an upset stomach. Chris Woodward moved to third and outfield coach Andy Van Slyke took over at first base. ... Nelson Cruz (strained right quad) missed his third straight game. ... OF Franklin Gutierrez (right groin) was also out of the starting lineup a second straight game.
Athletics: C Stephen Vogt left the game in the eighth inning after getting hit in the groin area by a foul ball. Carson Blair replaced him and made his major league debut. ... OF Sam Fuld (back spasms) is expected to return during the Houston series. He has not started in nearly two weeks. ... OF Josh Reddick did not start due to illness but did pinch hit in the seventh.
Mariners: LHP Roenis Elias (4-7, 4.35) starts at home Monday afternoon against the Texas Rangers. He's 2-1 with a 2.42 ERA in four starts against the Rangers. He's facing them for the first time this season.
Athletics: LHP Felix Doubront (2-1, 3.99) opens the A's series with the AL West leading Houston Astros on Monday afternoon. He's faced the Astros once, in April of 2013 as a member of the Boston Red Sox.